ganoine vs ganoin

ganoine and ganoin both are nouns.

Word	Noun	Adjective	Verb	Adverb
ganoine	Yes	No	No	No
ganoin	Yes	No	No	No

As nouns, ganoine and ganoin are synonyms defined as:

ganoine and ganoin: shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales

ganoine (noun)	ganoin (noun)
shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales	shiny substance that resemble enamel and is secreted by the corium of certain fishes (especially ganoid fishes) and composes the outer layer of their scales